Vulnerability · Published Jan 7, 2026 · Assigned by S21sec
CVE-2026-22540DENIAL OF SERVICE VIA ARP PACKETS
Critical 9.2
In plain English
A critical-severity uncontrolled resource consumption in QC60/90/120 from EFACEC. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 31% of all known vulnerabilities).
Severity (CVSS 4.0)9.2Critical
Exploit odds (30 days)0.4%top 68.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
The massive sending of ARP requests causes a denial of service on one board of the charger that allows control of the EV interfaces. Since the board must be operating correctly for the charger to also function correctly.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| EFACEC | QC60/90/120 | 8 |
Weakness: CWE-400 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H